Xác định lỗi câu và sửa lại : Hà Nội và Thành phố Hồ Chí Minh được ngành hàng không thế giới đánh giá là một trong những điểm đến có triển vọng của thị trường châu Á.

Which sentence includes a transition that best shows the sequence or signals a shift in time? for years i put off the business of tidying them up, just as i am putting it off now. a) meanwhile, for years i put off the business of tidying them up, just as i am putting it off now. b) for years afterwards, i put off the business of tidying them up, just as i am putting it off now. c) for years simultaneously, i put off the business of tidying them up, just as i am putting it off now. d) at the same time, for years i put off the business of tidying them up, just as i am putting it off now.